Home / 15,670.41-21,624.80-8,596.77

Finding the Fourth Proportional to 15,670.41, 21,624.80 and 8,596.77

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Solution

The fourth proportional to 15,670.41, 21,624.80 and 8,596.77 is: 11,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.41 : 21,624.80 = 8,596.77 : x
  2. Step 2: Convert to fraction form
    15,670.41/21,624.80 = 8,596.77/x
  3. Step 3: Cross multiply
    15,670.41x = 21,624.80 × 8,596.77
  4. Step 4: Simplify right side
    15,670.41x = 185,903,388.91
  5. Step 5: Solve for x
    x = 185,903,388.91/15,670.41
  6. Step 6: Final answer
    x = 11,863.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.